Intellectual Property India Publishes Patent Application for An Alternative Process For 2-[4-[(2-Butyl-4-Oxo-1,3-Diazaspiro[4.4]non-1-En-3- Yl)methyl]-2-(ethoxymethyl)phenyl]-N-(4,5-Dimethyl-1,2- Oxazol-3-Yl)benzenesulfonamide And Intermediates Thereof.

Posted On: 2026-06-26 Patentwipo

MUMBAI, India, June 26 -- Intellectual Property India has published a patent application (202441098228 A) filed by Maithri Drugs Private Limited on December 12, 2024, for An Alternative Process For 2-[4-[(2-Butyl-4-Oxo-1,3-Diazaspiro[4.4]non-1-En-3- Yl)methyl]-2-(ethoxymethyl)phenyl]-N-(4,5-Dimethyl-1,2- Oxazol-3-Yl)benzenesulfonamide And Intermediates Thereof..

Inventors include Chakilam Nagaraju; Achampeta Kodanda Ramprasad; Rebelli Pradeep; and Gummadi Ramulu.

The application for the patent was published on June 19, 2026, under issue no. 25/2026.

Abstract: TITLE OF THE INVENTION: An alternative process for 2-[4-[(2-butyl-4-oxo-1,3-diazaspiro [4.4]non-1-en-3- yl)methyl]-2-(ethoxymethyl)phenyl]-N-(4,5-dimethyl- 1,2-oxazol-3-yl) benzenesulfonamide and intermediates thereof The present application relates to an alternative process for Sparsentan and intermediates thereof, is represented by the following structural formula-I. Formula-I

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Intellectual Property India Publishes Patent Application for An Alternative Process For 2-[4-[(2-Butyl-4-Oxo-1,3-Diazaspiro[4.4]non-1-En-3- Yl)methyl]-2-(ethoxymethyl)phenyl]-N-(4,5-Dimethyl-1,2- Oxazol-3-Yl)benzenesulfonamide And Intermediates Thereof.